Beware of the side effects of dual booting XP and Vista
however.

Without a boot manager (or bitlocker--only available with Ultimate)
that can hide the Vista partition from XP you will loose your Vista
restore points and shadow copies, etc. every time you boot into XP.


"Jane C" <jellybean@NOSPAMxjgarage.org> wrote in message
news:651470B7-2DA9-4F02-9940-FF3A291AA2C8@microsoft.com...
| You would need the full retail version.
|
| --
| Jane, not plain 64 bit enabled :-)
| Batteries not included. Braincell on vacation ;-)
| "Rene Lamontagne" <rlamont@shaw.ca> wrote in message
| news:Nlcuh.799443$R63.543405@pd7urf1no...
| > XP is on first drive C:, From XP I want to install Vista on second drive
| > G: , BUT keep XP so I can dual boot system.
| >
| > Which version of Vista Home Premium x86 do I need, Upgrade or Full
| > version?
| >
| > I have read so many different answers on these NGs that I am no longer
| > sure of which is Correct, I want to buy the right one the first time.
| >
| > Thanks in advance for a definitive answer
| >
| > Regards, Rene Lamontagne (aka The Old Guy).
| >
|